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      1 /*
      2 ******************************************************************************
      3 *                                                                            *
      4 * Copyright (C) 2001-2009, International Business Machines                   *
      5 *                Corporation and others. All Rights Reserved.                *
      6 *                                                                            *
      7 ******************************************************************************
      8 *   file name:  ucln_io.c
      9 *   encoding:   US-ASCII
     10 *   tab size:   8 (not used)
     11 *   indentation:4
     12 *
     13 *   created on: 2006August11
     14 *   created by: George Rhoten
     15 */
     16 
     17 #include "ucln.h"
     18 #include "ucln_io.h"
     19 #include "umutex.h"
     20 #include "uassert.h"
     21 
     22 /**  Auto-client */
     23 #define UCLN_TYPE UCLN_IO
     24 #include "ucln_imp.h"
     25 
     26 /* Leave this copyright notice here! It needs to go somewhere in this library. */
     27 static const char copyright[] = U_COPYRIGHT_STRING;
     28 
     29 static cleanupFunc *gCleanupFunctions[UCLN_IO_COUNT];
     30 
     31 static UBool io_cleanup(void)
     32 {
     33     ECleanupIOType libType = UCLN_IO_START;
     34 
     35     while (++libType<UCLN_IO_COUNT) {
     36         if (gCleanupFunctions[libType])
     37         {
     38             gCleanupFunctions[libType]();
     39             gCleanupFunctions[libType] = NULL;
     40         }
     41     }
     42 #if !UCLN_NO_AUTO_CLEANUP && (defined(UCLN_AUTO_ATEXIT) || defined(UCLN_AUTO_LOCAL))
     43     ucln_unRegisterAutomaticCleanup();
     44 #endif
     45     return TRUE;
     46 }
     47 
     48 void ucln_io_registerCleanup(ECleanupIOType type,
     49                                cleanupFunc *func)
     50 {
     51     U_ASSERT(UCLN_IO_START < type && type < UCLN_IO_COUNT);
     52     ucln_registerCleanup(UCLN_IO, io_cleanup);
     53     if (UCLN_IO_START < type && type < UCLN_IO_COUNT)
     54     {
     55         gCleanupFunctions[type] = func;
     56     }
     57 
     58 #if !UCLN_NO_AUTO_CLEANUP && (defined(UCLN_AUTO_ATEXIT) || defined(UCLN_AUTO_LOCAL))
     59     ucln_registerAutomaticCleanup();
     60 #endif
     61 }
     62 
     63